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Codeman/skills/codeman/preamble.sh
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Codeman maintainer 8ee7926e27 feat(agent-cases): tag agent-spawned case dirs and sweep their leftovers
A long orchestration creates one case directory per worker and deleting the
sessions never removed them, so ~/codeman-cases accumulated scratch folders
that were indistinguishable from real projects. They are now labelled and
have a cleanup path.

- src/agent-case-marker.ts: a case dir quick-start CREATES for an agent-driven
  spawn gets a .codeman-agent-case.json marker (when, by whom, parent session,
  mode). Only the create branch writes it, so a linked case, a cloned repo or
  any pre-existing path is never labelled; reading is total, so a malformed
  marker means "not agent-created" rather than a half-trusted entry.
- The signal is the new X-Codeman-Agent-Origin header the skill preamble sets
  on its shared curl (preamble bumped to 1.22.0), or an agentOrigin body
  field, falling back to a resolved parentSessionId so a worker spawned by a
  stale skill copy is still labelled.
- GET /api/cases publishes it as agentCreated; GET /api/cases/agent-created is
  a read-only cleanup listing adding inUse and modifiedAt; Add Case -> Manage
  badges each case and offers a review-then-delete sweep that names every
  directory in its confirm and skips any case a live session is working in.
  Removal stays on the existing DELETE /api/cases/:name.
- Agent preamble caches are collected too: ~/.cache/codeman-agent-<id>.sh was
  written per claude session and never removed (236 leftovers measured on a
  working machine). Now deleted with the session and swept at boot, guarded by
  a live-session keep set plus a 7-day age floor.

Verified end to end on an isolated instance: marker written for header, body
and lineage-only spawns, absent with no agent signal and for a pre-existing
directory; inUse flipping on session end; badge, sticky bar, confirm and sweep
driven in a browser; preamble seeded on create, removed on delete, boot sweep
taking only the aged orphans.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-09-07 19:09:24 +02:00

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# ---- Codeman agent preamble 1.22.0 (seeded by Codeman at session spawn; the SKILL.md §0 bootstrap rewrites it when missing or stale) ----
API="${CODEMAN_API_URL:?CODEMAN_API_URL not set; refusing to guess}"
SELF="${CODEMAN_SESSION_ID:?CODEMAN_SESSION_ID not set}"
# Credentials, cheapest first. Your session has usually INHERITED the server's
# CODEMAN_PASSWORD already (§6 explains why, and what to do when it has not);
# the data dir's .env is the documented fallback, the same one `codeman attach`
# reads. The data dir is wherever the hook-secret file lives. Values may be
# quoted or `export`-prefixed.
ENV_FILE="${CODEMAN_HOOK_SECRET_FILE:+${CODEMAN_HOOK_SECRET_FILE%hook-secret}.env}"
envval() { sed -n "s/^\(export \)\{0,1\}$1=//p" "$ENV_FILE" | tail -1 | sed 's/^"\(.*\)"$/\1/; s/^'\''\(.*\)'\''$/\1/'; }
if [ -z "${CODEMAN_PASSWORD:-}" ] && [ -n "$ENV_FILE" ] && [ -f "$ENV_FILE" ]; then
CODEMAN_USERNAME=$(envval CODEMAN_USERNAME)
CODEMAN_PASSWORD=$(envval CODEMAN_PASSWORD)
fi
AUTH=(); [ -n "${CODEMAN_PASSWORD:-}" ] && AUTH=(-u "${CODEMAN_USERNAME:-admin}:$CODEMAN_PASSWORD")
# -k: harmless on http, required on https (self-signed cert).
# X-Codeman-Parent-Session: tags workers YOU spawn as your children, so the web UI can
# draw the lineage. Set once here and every present and future create call carries it;
# it is ignored on every other endpoint. Purely cosmetic (see §5.1) and it can never
# fail a spawn, so there is no case where you would want to leave it off.
# X-Codeman-Agent-Origin: marks a case directory a spawn CREATES as agent scratch, so the
# user can find and delete it long after your workers are gone (§5.14). Same deal: set
# once, cosmetic, never fails a spawn, and it labels only directories Codeman creates.
CURL=(curl -sk "${AUTH[@]}" -H "X-Codeman-Parent-Session: $SELF" -H "X-Codeman-Agent-Origin: codeman-skill")
CID=codeman-agent-1 # FIXED literal, never "agent-$$": see below
# Fail-CLOSED session delete. The DELETE lives INSIDE the guard on purpose: the older
# `is_self "$SID" || curl -X DELETE ...` shape failed OPEN, because an undefined
# is_self exits 127 and the `||` branch then ran the delete completely unguarded.
# Undefined delete_session is "command not found", which deletes nothing.
delete_session() {
local id="${1:-}"
[ -n "$id" ] || { echo "refusing: empty session id"; return 1; }
[ "${#SELF}" -ge 8 ] || { echo "refusing: \$SELF unset or too short to prove this is not me"; return 1; }
# ids appear in full AND 8-char form (Docker exports a truncated $SELF; mux names and
# UI surfaces carry 8-char ids), so compare by prefix in BOTH directions. Equality or
# a one-directional check each miss a real combination, and the miss deletes you.
case "$id" in "$SELF"*) echo "refusing: $id is me"; return 1 ;; esac
case "$SELF" in "$id"*) echo "refusing: $id is me"; return 1 ;; esac
"${CURL[@]}" -X DELETE "$API/api/v1/sessions/$id"
}
# ---- fast path: the four verbs, already written. §1 composes them. ----
_composer_up() { # <sid> <timeoutMs> -> "true"/"false". `shift+tab` is the one token
"${CURL[@]}" -G "$API/api/v1/sessions/$1/wait-output" \
--data-urlencode 'match=shift+tab' --data-urlencode 'from=buffer' \
--data-urlencode "timeout=$2" | jq -r '.data.wait.matched // false'
}
_dsh_up() { # <sid> <timeoutMs> -> "true"/"false". The DeepSeek Harness TUI's
# composer glyph. Override with DSH_READY_MARK for a profile that draws another one.
"${CURL[@]}" -G "$API/api/v1/sessions/$1/wait-output" \
--data-urlencode "match=${DSH_READY_MARK:-❯}" --data-urlencode 'from=buffer' \
--data-urlencode "timeout=$2" | jq -r '.data.wait.matched // false'
}
# ---- the workspace-trust dialog: READ the screen, never press Enter blind ----
# Claude Code 2.1.252 dropped the option numbers, REVERSED them, and highlights
# "No, exit" by default:
# Security guide
# ❯ No, exit
# Yes, I trust this folder
# Enter to confirm . Esc to cancel
# so the bare \r that answered the old layout now answers *exit* and the pane is
# dead (`status 1`) seconds after the spawn -- measured on a live 2.1.252 case.
# These two read the rendered pane and steer onto the trust option instead.
_trust_key() { # <sid> -> "confirm" | "move" | "" (nothing safe to press)
# full=1 returns the RENDERED pane; a claude pane keeps no tmux history, so that
# is the current frame rather than every repaint since launch. tail -1 anyway,
# because the freshest marked row is the only one still true.
"${CURL[@]}" -G "$API/api/v1/sessions/$1/terminal" --data-urlencode 'full=1' \
| jq -r '.data.terminalBuffer // empty' \
| sed -e "s/$(printf '\033')\[[0-9;?]*[a-zA-Z]//g" -e "s/$(printf '\033')[()][AB0]//g" \
| tr -d ' \t' | grep -i '❯[0-9.]*\(yes,itrustthisfolder\|no,exit\)' | tail -1 \
| sed -e 's/.*[Yy]es,.*/confirm/' -e 's/.*[Nn]o,.*/move/'
}
_accept_trust() { # <sid> -> 0 once it has answered the dialog, 1 if it could not
local sid="$1" k i=1
while [ "$i" -le 6 ]; do
k=$(_trust_key "$sid")
[ -n "$k" ] || return 1 # no dialog on screen, or a layout this cannot read
# A SEPARATE clientId for these keys. seq is monotonic per clientId, so
# spending prompt numbers here would make the next sendwait -- whose default
# seq is the epoch second -- look like a stale duplicate and vanish silently.
"${CURL[@]}" -X POST "$API/api/v1/sessions/$sid/input" -H 'Content-Type: application/json' \
-d "$(jq -nc --arg k "$([ "$k" = confirm ] && printf '\r' || printf '\033[B')" \
--arg c "$CID-trust-$sid" --argjson s "$i" \
'{input:$k,useMux:true,clientId:$c,seq:$s}')" >/dev/null
[ "$k" = confirm ] && return 0
sleep 1; i=$((i+1)) # re-read: the arrow is CONFIRMED before Enter goes out
done
return 1
}
# spawn_worker <caseName> [mode] -> session id on stdout, diagnostics on stderr.
# quick-start AND readiness in one call, with a strict contract: NON-EMPTY stdout means
# a READY worker whose end-of-turn signal can be trusted -- a claude worker in a
# hook-carrying case, or a `deepseek` worker whose harness TUI drew its composer.
# Anything less is rc 1 with EMPTY stdout, and the half-spawned session is deleted here
# rather than handed back, because a worker that never drew its composer would eat the
# task prompt with its trust dialog. There is deliberately no pid poll: wait-output
# already blocks until the composer draws, and pid!=null proved startup, never readiness.
spawn_worker() {
local name="${1:?spawn_worker needs a case name}" mode="${2:-claude}" q sid cp r
# parentSessionId doubles the CURL header, so a spawn_worker copied off the shared
# curl (or a body someone rebuilt from this recipe) still carries its lineage.
# deepseek: ask for the same permission posture the Run button sends, because the
# harness's own default (`workspace-write`) still ASKS, and a worker that stops on
# an approval row is a worker no fan-out can finish. It is not an escalation --
# claude workers already spawn with permissions skipped, and in multi-user mode the
# server clamps this back to `workspace-write` for an owner without the grant.
# Spawn by hand (§5.1) when you want a worker that asks.
q=$("${CURL[@]}" -X POST "$API/api/v1/quick-start" -H 'Content-Type: application/json' \
-d "$(jq -nc --arg n "$name" --arg m "$mode" --arg p "$SELF" \
'{caseName:$n,mode:$m,parentSessionId:$p}
+ (if $m == "deepseek" then {deepSeekConfig:{permissionMode:"danger-full-access"}} else {} end)')")
sid=$(jq -r 'if .success then .data.sessionId else empty end' <<<"$q")
# NOT retryable in a loop: every quick-start failure code is terminal (§5.1).
[ -n "$sid" ] || { jq -c '{error,errorCode}' <<<"$q" >&2; return 1; }
if [ "$mode" = deepseek ]; then
# The one non-claude mode with REAL end-of-turn signals: its TUI reports
# idle/working/blocked to Codeman, so sendwait, until=stop and the Approvals
# Inbox all work here exactly as they do for claude. No hook file to vet
# (the bridge is env-injected, not a workspace file) and no trust dialog.
# ⚠️ Readiness is still not optional, and NOT interchangeable with the stop
# signal: the harness's boot report lands ~300ms BEFORE the composer paints
# (measured 2.26s vs 2.56s after spawn), so a sendwait fired straight after
# quick-start returns on that BOOT signal, reports a turn that never ran, and
# strands the prompt in a pane that was not yet taking input.
r=$(_dsh_up "$sid" 45000)
[ "$r" = true ] || { echo "dsh worker $sid never drew a composer: no pane-capable profile, a profile whose composer is not '${DSH_READY_MARK:-❯}' (set DSH_READY_MARK), or a harness that failed to boot -- check GET /api/v1/deepseek/status. Deleted it" >&2
delete_session "$sid" >/dev/null; return 1; }
printf '%s\n' "$sid"; return 0
fi
[ "$mode" = claude ] || { printf '%s\n' "$sid"; return 0; } # no other mode draws a composer to wait on
# The server installs hooks into every claude workspace now, so this grep normally
# passes; it stays because the install is gated on a setting the operator can turn
# off, remote sessions never get hooks, and a session created by an older server
# still has none. No marker means sendwait would false-resolve on flapping idle,
# possibly inside the user's REAL repo: refuse rather than run the job there.
cp=$(jq -r '.data.casePath // empty' <<<"$q")
grep -qs '/api/hook-event' "$cp/.claude/settings.local.json" || {
echo "case '$name' resolved to '$cp', which has no Codeman hooks (workspaceHooksEnabled off, remote, or an older server?): turn the setting on, or work §5.1+§5.5 by hand with markers" >&2
delete_session "$sid" >/dev/null; return 1; }
# Short composer wait FIRST, then the trust dialog: a case still showing the
# dialog can never pass the composer wait, so acting early keeps a cold case from
# paying the whole long wait before the fallback even runs (§5.2). A warm case
# matches in under a second and never reaches it, and _accept_trust returns in a
# blink when there is no dialog, so this costs nothing in the ordinary slow case.
r=$(_composer_up "$sid" 5000)
if [ "$r" != true ]; then
# Codeman answers this dialog itself and normally wins the race; this is the
# bounded fallback for when its 90 s window / 6-keystroke cap has run out.
_accept_trust "$sid"
r=$(_composer_up "$sid" 45000)
fi
[ "$r" = true ] || { echo "worker $sid never drew a composer; deleted it. Retry by hand via the §5.2 ladder (its billed stage-4 probe included)" >&2
delete_session "$sid" >/dev/null; return 1; }
printf '%s\n' "$sid"
}
# spawn_workers <caseName[:mode]>... -> one "<caseName> <sessionId>" line per worker, in
# order; the sessionId column is EMPTY for a spawn that failed (stderr has why).
# CONCURRENT: N workers cost about what one costs. Spawning them one Bash call at a time
# is the single biggest avoidable delay in this skill. A bare name is a claude worker;
# `beta:deepseek` makes that one a DeepSeek Harness worker, and a mixed fleet is one
# call. Case names must be UNIQUE: two workers in one case directory co-edit the same
# tree (§4), so a repeat is an error here, not a race (the mode never disambiguates two
# workers, since they would still share the directory).
spawn_workers() {
local d spec n m i=0
[ "$#" -gt 0 ] || { echo "spawn_workers: no case names given" >&2; return 1; }
[ -z "$(printf '%s\n' "$@" | sed 's/:.*//' | sort | uniq -d)" ] || { echo "spawn_workers: duplicate case names" >&2; return 1; }
d=$(mktemp -d "${TMPDIR:-/tmp}/codeman-spawn.XXXXXX") || return 1
for spec in "$@"; do
n=${spec%%:*}; m=${spec#*:}; [ "$m" = "$spec" ] && m=claude
( spawn_worker "$n" "$m" > "$d/$i" ) & i=$((i+1))
done
wait
i=0; for spec in "$@"; do printf '%s %s\n' "${spec%%:*}" "$(cat "$d/$i" 2>/dev/null)"; i=$((i+1)); done
rm -rf "$d"
}
# sendwait <sid> <prompt> [seq] -> blocks until that worker's turn ENDS (~10 min ceiling
# across its two waits). One billed turn. The \r and the per-worker clientId are applied
# here, which is why you never hand-build this body. seq defaults to the CURRENT EPOCH
# SECOND so that every new prompt is a new frame: the server drops any (clientId,seq)
# pair it has already applied, so a fixed default would make every later prompt to that
# worker a silent no-op that still "succeeds" and reports the previous turn's state.
# Pass seq explicitly for exactly one reason: resending a possibly-delivered frame as a
# deliberate duplicate, at the SAME number (§5.3).
# Delivery is SELF-HEALING: an Ink repaint occasionally eats the Enter, leaving the
# typed prompt stranded on the composer while a long wait runs its whole timeout
# (observed live). So the first wait is short; on its timeout a bare \r goes out (the
# missing Enter when the prompt is stranded, a no-op when the turn is genuinely
# running), then the ORIGINAL frame is resent unchanged, which the server takes as a
# tagged duplicate: it re-waits without retyping (§5.3). Trustworthy for a worker
# spawn_worker handed back -- claude (hooks vetted) or deepseek (status bridge) --
# and for those only. Hook-less workspaces and the other modes resolve on flapping
# idle: markers instead (§5.5). ⚠️ A dsh worker running a profile that does not
# implement the status contract is the one case that LOOKS like claude but is not:
# it accepts the send and then burns both waits. One timeout on a dsh worker whose
# pane clearly finished means that profile, so switch that worker to markers.
sendwait() {
local sid="${1:?}" p="${2:?}" seq="${3:-$(date +%s)}" body r
# `wait:"stop,exit"`, never the `wait:true` default set: that set also carries
# `idle`, which is INFERRED from output stabilization and flaps mid-turn. On a
# dsh worker whose TUI repaints rarely the session reads `idle` while the model
# is still answering, and the re-wait below then resolved in 0 ms with
# `signal:"idle"` on a turn that had another three minutes to run (measured).
# A wait named after the end of a turn should only end with the turn, or with
# the worker. ⚠️ This is also what makes a wrong mode LOUD: the modes that
# cannot deliver `stop` answer 400 (before writing anything) instead of
# resolving on a flap, which is the answer that sends you to markers (§5.5).
body=$(jq -nc --arg p "$p" --arg c "$CID-$sid" --argjson s "$seq" \
'{input:($p+"\r"),useMux:true,clientId:$c,seq:$s,wait:"stop,exit",waitTimeout:20000}')
r=$("${CURL[@]}" -X POST "$API/api/v1/sessions/$sid/input" \
-H 'Content-Type: application/json' --data-binary "$body")
if jq -e '.data.delivered and .data.wait.timedOut' <<<"$r" >/dev/null 2>&1; then
"${CURL[@]}" -X POST "$API/api/v1/sessions/$sid/input" -H 'Content-Type: application/json' \
-d "$(jq -nc --arg c "$CID-$sid" --argjson s "$(date +%s)" \
'{input:"\r",useMux:true,clientId:$c,seq:$s}')" >/dev/null
# The resend is a tagged DUPLICATE, so the server skips the write and reports
# `delivered:false` for it -- truthfully, but about the wrong send. The first
# one delivered, so carry that forward, or §1's cleanup reads a completed turn
# as an undelivered one and keeps a finished worker forever.
r=$("${CURL[@]}" -X POST "$API/api/v1/sessions/$sid/input" \
-H 'Content-Type: application/json' --data-binary "$(jq -c '.waitTimeout=580000' <<<"$body")" \
| jq -c 'if .success and (.data.wait.ended | not) then .data.delivered = true else . end')
fi
printf '%s\n' "$r"
}
# last_text <sid> [prev] -> that worker's last assistant message (claude, codex and
# deepseek write a real transcript; the other modes have none, so read the terminal
# instead -- §5.4). Polled, because the transcript write LAGS the stop signal, and
# "some text exists" is not "THIS turn's text exists": right after a SECOND turn on the same worker the endpoint still serves
# the previous answer for a beat (observed live). When reading consecutive turns, pass
# the previous answer as [prev]: the poll then holds out for text that differs from it,
# falling back to whatever it last saw if the budget runs dry, so an honestly repeated
# answer still comes back. Non-zero exit means the worker really never wrote one.
last_text() {
local t="" prev="${2:-}"
for _ in $(seq 1 15); do
t=$("${CURL[@]}" "$API/api/v1/sessions/$1/last-response" | jq -r '.data.text // empty')
[ -n "$t" ] && [ "$t" != "$prev" ] && { printf '%s\n' "$t"; return 0; }
sleep 1
done
[ -n "$t" ] && { printf '%s\n' "$t"; return 0; }
return 1
}
# The stamp is the LAST line on purpose (a truncated write leaves it unset) and is kept
# bare on purpose: the write condition above anchors on it with $, so an inline comment
# here would fail that match and rewrite this file on every single bootstrap.
CODEMAN_PREAMBLE=1.22.0